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cs.DB2026
FairDAG: Consensus Fairness over Multi-Proposer Causal Design
Dakai Kang, Junchao Chen, Tien Tuan Anh Dinh +1
The rise of cryptocurrencies like Bitcoin and Ethereum has driven interest in blockchain database technology, with smart contracts enabling the growth of decentralized finance (DeF…
cs.DB2025
Carry the Tail in Consensus Protocols
Suyash Gupta, Dakai Kang, Dahlia Malkhi +1
We present Carry-the-Tail, the first deterministic atomic broadcast protocol in partial synchrony that, after GST, guarantees a constant fraction of commits by non-faulty leaders a…
cs.DB2025
HotStuff-1: Linear Consensus with One-Phase Speculation
Dakai Kang, Suyash Gupta, Dahlia Malkhi +1
This paper introduces HotStuff-1, a BFT consensus protocol that improves the latency of HotStuff-2 by two network hops while maintaining linear communication complexity against fau…